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Flowchart of olfactory pathway

(Source: Ciurleo R, De Salvo S, Bonanno L, Marino S, Bramanti P, Caminiti F. Parosmia and neurological disorders: a neglected association. Front Neurol 2020;11:543275. Creative Commons Attribution [CC BY] license, creativecommons.org/licenses/by/4.0.)

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